Question

Please help don't give silly answers​

Answer 1

$. 1. \: \: \frac{ - 2}{7} and \: \: 4 \\ \\ 2. {( - 3a)}^{4} \\ \\ 3. {(pq)}^{4} \times {(pq)}^{5} = {(pq)}^{9}$

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